(19)

(11)

EP 4 179 284 A1

(12)

(43) Date of publication: 17.05.2023 Bulletin 2023/20 (21) Application number: 21740518.2 (22) Date of filing: 08.07.2021

(51) International Patent Classification (IPC):  G01M 3/28(2006.01) F16L 23/16(2006.01) F16J 15/06(2006.01) (52) Cooperative Patent Classification (CPC): G01M 3/2853; G01M 3/2861; F16J 15/064; F16L 23/006 (86) International application number: PCT/EP2021/069083 (87) International publication number: WO 2022/008696 (13.01.2022 Gazette 2022/02)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 10.07.2020 GB 202010632 (71) Applicant: Alba Gaskets Limited Aberdeen AB12 3LF (GB)	(72) Inventor: RUZ, Sigfrid Aberdeen AB12 3LF (GB) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)